(1/3)
Latest Great Lakes Marine Forecast by KBUF
Issued 6/20/2026 10:02 PM America/New_York.
Valid through 6/21/2026 5:00 AM America/New_York.
fzus61 kbuf 210202
glflo
expires:202606210900;;101013
open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt sat jun 20 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...an unseasonably strong 29.2 inch low over the canadian
maritimes will finally exit eastward into the northern atlantic
tonight. a weak ridge of high pressure averaging 29.9 inches will
then build over the great lakes tonight through sunday. a 29.7 inch
low is then forecast to move south of the lower great lakes monday
and monday night, before moving off the new england coast by
tuesday. a broad area of high pressure averaging 30.1 inches will
advance over the eastern great lakes region tuesday and wednesday,
before exiting east into new england on thursday as a weak 29.8 inch
low moves east into the central great lakes.
loz062-210900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt sat jun 20 2026
.overnight...northwest winds 10 knots or less. waves 2 feet
or less.
.sunday...west winds 5 to 10 knots becoming southwest. waves
1 foot or less.
.sunday night...west winds less than 10 knots becoming southeast.
waves 1 foot or less.
.monday...east winds 10 knots or less increasing to 10 to
15 knots. a chance of showers. waves 2 feet or less.
.monday night...east winds 5 to 15 knots becoming north. a chance
of showers in the evening. waves 1 to 2 feet.
.tuesday...northwest winds 5 to 10 knots. waves 1 foot or less.
.wednesday...west winds less than 10 knots becoming south. a
chance of showers wednesday night. waves 1 foot or less.
.thursday...east winds 10 knots or less becoming southwest. a
chance of showers. waves 1 foot or less.
$$
(2/3)
Latest Great Lakes Marine Forecast by KDTX
Issued 6/21/2026 3:48 AM America/New_York.
Valid through 6/21/2026 12:00 PM America/New_York.
fzus63 kdtx 210748
glflh
expires:202606211600;;115129
open lake forecast for lake huron
national weather service detroit/pontiac mi
348 am edt sun jun 21 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...diffuse high pressure, 29.90 inches, holds over the
central great lakes today. a compact low pressure system, 29.60
inches, will arrive in the ohio valley tonight through monday
morning, bringing renewed rain and thunderstorm chances along
with elevated winds across the southern great lakes.
lhz362-363-211600-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
348 am edt sun jun 21 2026
.today...northwest winds 5 to 10 knots in the morning becoming
light and variable. waves 2 feet or less.
.tonight...light and variable winds. waves 2 feet or less.
.monday...light and variable winds becoming north 5 to 10 knots
in the late morning and afternoon. waves 2 feet or less.
.monday night...northeast winds 10 to 15 knots backing to the
northwest in the late evening and overnight. waves 1 to 3 feet
building to 2 to 4 feet in the late evening and overnight.
.tuesday...north winds 5 to 10 knots becoming light and variable.
waves 1 to 3 feet.
.wednesday...light and variable winds becoming southeast 5 to
10 knots . a chance of showers by midnight. waves 2 feet or less.
.thursday...southeast winds 5 to 10 knots. a chance of showers
early in the morning. a chance of showers early in the evening.
waves 2 feet or less.
$$
(3/3)
Latest Great Lakes Marine Forecast by KDTX
Issued 6/21/2026 3:48 AM America/New_York.
Valid through 6/21/2026 12:00 PM America/New_York.
fzus63 kdtx 210748
glflh
expires:202606211600;;115130
open lake forecast for lake huron
national weather service detroit/pontiac mi
348 am edt sun jun 21 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...diffuse high pressure, 29.90 inches, holds over the
central great lakes today. a compact low pressure system, 29.60
inches, will arrive in the ohio valley tonight through monday
morning, bringing renewed rain and thunderstorm chances along
with elevated winds across the southern great lakes.
lhz462>464-211600-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
348 am edt sun jun 21 2026
.today...light and variable winds. waves 2 feet or less.
.tonight...east winds 5 to 10 knots. a chance of showers after
midnight. waves 2 feet or less.
.monday...east winds 5 to 10 knots backing to the northeast in
the late morning and early afternoon...then becoming northeast
5 to 10 knots early in the afternoon. waves 1 to 3 feet.
.monday night...north winds 10 to 15 knots decreasing to 5 to
10 knots in the late evening and overnight. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight.
.tuesday...north winds 5 to 10 knots becoming light and variable.
waves 2 feet or less.
.wednesday...light and variable winds becoming east 5 to 10 knots
. a chance of showers . waves 2 feet or less.
.thursday...southeast winds 5 to 10 knots backing to the east by
midnight. a chance of showers. a chance of thunderstorms early in
the evening. waves 2 feet or less.
$$
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